#include <stdio.h>
struct DATA
{
	char a;
	int b;
	float c[3];
	
}dat2;
union shuju
{
	int a;
	int b;
	float c[3];
}shu2;
enum WEEK
{
	A,B,C,D,E=-2,F,G,H,I,J,K,L,M,N
};
int main()
{
	struct DATA dat1;
	union shuju shu1;
	enum WEEK w=D;
	printf("%d\n",w);
	printf("%d\n",sizeof(struct DATA));
	printf("%d\n",sizeof(union shuju));
	return 0;
}
